the salt mine open visitors underground galleries deep earth made man for extraction saline ores |
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| navigate by keyword : building infrastructure architecture arch tunnel temple symmetry subway arcade cathedral column transport hall monastery wall gallery travel slanic underground romania illuminated depth industrial stone abstract digging prahova perspective dark rock geology industry tourism crystal deep mystery extraction pit natural exploration cave mineral underpass empty saline passage corridor landmark tourists walls mining salt silhouette textured ceiling 2024 open visitors galleries earth man ores |
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| Slanic, Prahova Romania - 02 25 2024: The salt mine is open to visitors. Underground galleries deep in the earth made by man for the extraction of saline ores |
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